Moire reducing apparatus

Details Moire reducing apparatus Moire reducing apparatus

1998-03-02

1999-09-28

Westin, Edward P.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315371, 315 10, 348189, 348806, H04N 326, H04N 1700, G09G 104, H01J 3126

Patent

active

059594144

ABSTRACT:
Scanning lines are automatically shifted by using a test signal for detecting a screen display height, a detector which detects information of the screen display height from the test signal, a calculator which calculates a scanning-line shift amount, a moire correcting waveform generator which generates a voltage for shifting the scanning lines, and a deflecting device which deflects electron beams.

REFERENCES:
patent: 4410841 (1983-10-01), Dusard et al.
patent: 4887010 (1989-12-01), Fujimura
patent: 5414330 (1995-05-01), Tsujihara et al.
patent: 5430502 (1995-07-01), Yamazaki et al.
patent: 5747933 (1998-05-01), Beeteson et al.
Suzuki et al., "40 Inch CRT Display for Hi-Vision," Journal of the Institute of Television Engineers of Japan, pp. 30-37, vol. 39, No. 12, 1985.

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